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The structure of Ru in Ru-substituted hydroxyapatite (RuHAp) has been investigated using infrared spectroscopy in the attenuated total reflection mode (ATR-IR). Oxidation–reduction cycles, 12 CO and 13 CO adsorption have been used to determine the state of Ru in the presence of cyclohexane solvent. The spectroscopic data support the existence of a hydrated RuOx-like phase, which is...
A combination of in situ attenuated total reflection infrared (ATR-IR) spectroscopy and X-ray absorption spectroscopy (XAS) was applied to study the effect of Bi on the evolution of surface species and on the structure of a 0.75 wt% Bi–5 wt% Pd/Al 2 O 3 catalyst during liquid-phase aerobic oxidation of benzyl alcohol. To correlate structure and catalytic performance, both spectroscopic...
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